Activated Circulating T Follicular Helper Cells Are Associated with Disease Severity in Patients with Psoriasis

Figure 5

The frequency and cytokine production of cTfh cells before and after treatment. (a) After 1-month treatment, with alleviation of disease severity, the frequency of cTfh cells is significantly decreased in psoriasis patients. (b, c, and d) The levels of IL-21, IL-17, and IFN-γ produced by cTfh are all lower than those before treatment. P values are shown.

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(b)

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(d)